Clearing the world's nearly 60 million unexploded land mines is tedious, torturous work, with conventional detectors often unable to tell the difference between a mine and a Coke can."But a new technology that shakes the surface of suspected mine fields with gentle seismic waves may one day detect many plastic or metal mines while ignoring metal debris," the New York Times reports. "That is because these mines vibrate differently from the soil or debris around them. Radar or laser-based scans can detect this difference and, with the right signal processing, show the location of mines in computer displays."
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